Home / 1,956,032.60-2,930,112.30-1,318,303.40

Finding the Fourth Proportional to 1,956,032.60, 2,930,112.30 and 1,318,303.40

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Solution

The fourth proportional to 1,956,032.60, 2,930,112.30 and 1,318,303.40 is: 1,974,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,032.60 : 2,930,112.30 = 1,318,303.40 : x
  2. Step 2: Convert to fraction form
    1,956,032.60/2,930,112.30 = 1,318,303.40/x
  3. Step 3: Cross multiply
    1,956,032.60x = 2,930,112.30 × 1,318,303.40
  4. Step 4: Simplify right side
    1,956,032.60x = 3,862,777,007,471.82
  5. Step 5: Solve for x
    x = 3,862,777,007,471.82/1,956,032.60
  6. Step 6: Final answer
    x = 1,974,801.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.